This species occurs in the state of Acre, Brazil. It is expected to occur more widely.
Habitat and Ecology
This species can be found in leaf-litter of tropical rainforest. Its reproductive mode is unknown, though it is presumably by larval development. It is not known whether or not the larvae develop in plants, or in waterbodies.
It is locally abundant, but its distribution is not well known.
Deforestation is probably a major threat.
This species has been recorded from Parque Nacional da Serra do Divisor and Reserva Extrativista do Alto Juruá, Acre State.
Claudia Azevedo-Ramos, Miguel Trefaut Rodrigues, Claude Gascon 2004. Osteocephalus subtilis. In: IUCN 2014